Chiral Ancillaries in the Benzannulations of Alkoxy and Amino Carbene Complexes with Alkynes - Hsung, Richard P; Wulff, William D; Chamberlin, Steven; Liu, Ying; Liu, Rui-Yang; Wang, Huan; Quinn, John F; Wang, Siu Ling B; Rheingold, Arnold L (Synthesis, 2001)